DE69016925T2 - Rotierende kopftrommeleinheit vom schraubenabtasttyp. - Google Patents

Rotierende kopftrommeleinheit vom schraubenabtasttyp.

Info

Publication number
DE69016925T2
DE69016925T2 DE69016925T DE69016925T DE69016925T2 DE 69016925 T2 DE69016925 T2 DE 69016925T2 DE 69016925 T DE69016925 T DE 69016925T DE 69016925 T DE69016925 T DE 69016925T DE 69016925 T2 DE69016925 T2 DE 69016925T2
Authority
DE
Germany
Prior art keywords
screw type
rotating screw
rotating
type
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69016925T
Other languages
German (de)
English (en)
Other versions
DE69016925D1 (de
Inventor
Daiichirou Nippon Hoso K Katou
Hitoshi Nippon Hoso Yanagisawa
Takuji Nippon Hoso K Sekiguchi
Toshihiko Kabushiki Kais Okina
Kazuo Kabushiki Kais Kobayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Broadcasting Corp
Original Assignee
Nidec Sankyo Corp
Nippon Hoso Kyokai NHK
Japan Broadcasting Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nidec Sankyo Corp, Nippon Hoso Kyokai NHK, Japan Broadcasting Corp filed Critical Nidec Sankyo Corp
Publication of DE69016925D1 publication Critical patent/DE69016925D1/de
Application granted granted Critical
Publication of DE69016925T2 publication Critical patent/DE69016925T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/602—Guiding record carrier for track selection, acquisition or following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
DE69016925T 1989-05-22 1990-05-22 Rotierende kopftrommeleinheit vom schraubenabtasttyp. Expired - Fee Related DE69016925T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1126666A JPH02306416A (ja) 1989-05-22 1989-05-22 ヘリカルスキャン型回転ヘッドドラムユニット
PCT/JP1990/000652 WO1990014660A1 (en) 1989-05-22 1990-05-22 Helical scan-type rotary head drum unit

Publications (2)

Publication Number Publication Date
DE69016925D1 DE69016925D1 (de) 1995-03-23
DE69016925T2 true DE69016925T2 (de) 1995-06-08

Family

ID=14940867

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69016925T Expired - Fee Related DE69016925T2 (de) 1989-05-22 1990-05-22 Rotierende kopftrommeleinheit vom schraubenabtasttyp.

Country Status (5)

Country Link
EP (1) EP0425705B1 (ko)
JP (1) JPH02306416A (ko)
KR (1) KR0185185B1 (ko)
DE (1) DE69016925T2 (ko)
WO (1) WO1990014660A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5358602B2 (ja) * 2011-03-15 2013-12-04 中国電力株式会社 記録計

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131421B (de) * 1952-01-14 1962-06-14 Telefonbau Anordnung zum absatzweisen Abtasten schraeg zur Bewegungsrichtung eines bandfoermigen Magnetogrammtraegers verlaufender Spuren mittels eines umlaufenden zylindrischen Wandlers
GB931752A (en) * 1960-08-15 1963-07-17 Bush And Rank Cintel Ltd Improvements in rotary-head magnetic recording and reproducing equipment
JPS60115043A (ja) * 1983-11-26 1985-06-21 Olympus Optical Co Ltd 磁気記録再生装置
JPS60106233U (ja) * 1983-12-23 1985-07-19 富士写真フイルム株式会社 ビデオテ−プレコ−ダのテ−プセツトセンサ

Also Published As

Publication number Publication date
KR0185185B1 (ko) 1999-05-01
EP0425705B1 (en) 1995-02-15
EP0425705A1 (en) 1991-05-08
EP0425705A4 (en) 1991-12-18
KR920700444A (ko) 1992-02-19
DE69016925D1 (de) 1995-03-23
JPH02306416A (ja) 1990-12-19
WO1990014660A1 (en) 1990-11-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NIPPON HOSO KYOKAI, TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee